Top Definition
When a highly analytical person is compelled to create a grid in order to explain a concept.
"Mr. Prince-Nez got gridical when he insisted on pulling out the flip chart and marker to demonstrate the cross referential interplay of the data points along the X axis and Y axis of those people who like lunch before 12 noon and those after 12 noon.
by Swamp Yankee January 12, 2013

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